U+0431 "б" Cyrillic Small Letter Be Unicode Character
Unicode Version 17.0
б
U+0431 "б" Cyrillic Small Letter Be is the second letter of the Cyrillic alphabet, representing the voiced bilabial plosive sound /b/, similar to the English letter B. It is derived from the Greek letter Beta (β), though its handwritten form often resembles a delta shape with a loop at the top. This character is used in many languages that employ the Cyrillic script, including Russian, Bulgarian, Serbian, and Ukrainian, and it stands as the lowercase counterpart to the uppercase "Б". Its distinct visual design sets it apart from other script letters, making it a recognizable element in the typography of Slavic and non-Slavic languages written in Cyrillic.
General Properties
| Code Point | U+0431 |
| Version Added | 1.1 |
| Name | Cyrillic Small Letter Be |
| Block | Cyrillic |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | б |
| HTML Hex Encoding | б |
| UTF-8 Encoding | 0xD0 0xB1 |
| UTF-16 Encoding | 0x0431 |
| UTF-32 Encoding | 0x00000431 |
| C/C++/Java Escape | \u0431 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| East Asian Width | Ambiguous |
| Lowercase | Yes |
| Simple Uppercase Code Point | "Б" U+0411 Cyrillic Capital Letter Be |
| Simple Titlecase Code Point | "Б" U+0411 Cyrillic Capital Letter Be |
| Uppercase Code Point | "Б" U+0411 Cyrillic Capital Letter Be |
| Titlecase Code Point | "Б" U+0411 Cyrillic Capital Letter Be |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| Script | Cyrillic |
| Script Extensions | Cyrillic |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Lower |